Linuxでハードウェアの詳細な情報を表示する！（dmidecode）

2023-01-10 2023-09-14

Webmaster

Linuxでハードウェアの情報を知りたい場合は、「dmidecode」コマンドを使用すると詳細な情報を確認できます。ハードウェア情報は、「lshw」コマンドでも出力できますが、「dmidecode」コマンドでは、特にBIOSの情報が詳細に表示されます。

記事の目次

1 dmidcodeコマンドを使用する！（Ubuntu Desktop 22.04）
2 VirtualBox上で実行してみる！（Rocky Linux 9）
3 おわりに
4 関連記事
5 関連書籍（Amazon）

dmidcodeコマンドを使用する！（Ubuntu Desktop 22.04）

Ubuntu Desktop 22.04での使用例です！

$ sudo dmidecode
# dmidecode 3.3
Getting SMBIOS data from sysfs.
SMBIOS 3.0.0 present.
Table at 0x6FF10000.
 
Handle 0x0000, DMI type 0, 24 bytes
BIOS Information
    Vendor: American Megatrends Inc.
    Version: 5.12
    Release Date: 06/08/2017
    Address: 0xF0000
    Runtime Size: 64 kB
    ROM Size: 16 MB
    Characteristics:
        PCI is supported
        BIOS is upgradeable
        BIOS shadowing is allowed
        Boot from CD is supported
        Selectable boot is supported
        BIOS ROM is socketed
        EDD is supported
        5.25"/1.2 MB floppy services are supported (int 13h)
        3.5"/720 kB floppy services are supported (int 13h)
        3.5"/2.88 MB floppy services are supported (int 13h)
        Print screen service is supported (int 5h)
        8042 keyboard services are supported (int 9h)
        Serial services are supported (int 14h)
        Printer services are supported (int 17h)
        ACPI is supported
        USB legacy is supported
        BIOS boot specification is supported
        Targeted content distribution is supported
        UEFI is supported
    BIOS Revision: 5.12
 
Handle 0x0001, DMI type 1, 27 bytes
System Information
    Manufacturer: BIOSTAR Group
    Product Name: TB250-BTC
    Version:  
    Serial Number: None
    UUID: 03000200-0400-0500-0006-000700080009
    Wake-up Type: Power Switch
    SKU Number: None
    Family: None
 
Handle 0x0002, DMI type 2, 15 bytes
Base Board Information
    Manufacturer: BIOSTAR Group
    Product Name: TB250-BTC
    Version:  
    Serial Number: None
    Asset Tag: None
    Features:
        Board is a hosting board
        Board is replaceable
    Location In Chassis: None
    Chassis Handle: 0x0003
    Type: Motherboard
    Contained Object Handles: 0
 
Handle 0x0003, DMI type 3, 22 bytes
Chassis Information
    Manufacturer: Default string
    Type: Desktop
    Lock: Not Present
    Version: Default string
    Serial Number: Default string
    Asset Tag: Default string
    Boot-up State: Safe
    Power Supply State: Safe
    Thermal State: Safe
    Security Status: None
    OEM Information: 0x00000000
    Height: Unspecified
    Number Of Power Cords: 1
    Contained Elements: 0
    SKU Number: Default string
 
Handle 0x000D, DMI type 4, 48 bytes
Processor Information
    Socket Designation: U3E1
    Type: Central Processor
    Family: Core i7
    Manufacturer: Intel(R) Corporation
    ID: E9 06 09 00 FF FB EB BF
    Signature: Type 0, Family 6, Model 158, Stepping 9
    Flags:
        FPU (Floating-point unit on-chip)
        VME (Virtual mode extension)
        DE (Debugging extension)
        PSE (Page size extension)
        TSC (Time stamp counter)
        MSR (Model specific registers)
        PAE (Physical address extension)
        MCE (Machine check exception)
        CX8 (CMPXCHG8 instruction supported)
        APIC (On-chip APIC hardware supported)
        SEP (Fast system call)
        MTRR (Memory type range registers)
        PGE (Page global enable)
        MCA (Machine check architecture)
        CMOV (Conditional move instruction supported)
        PAT (Page attribute table)
        PSE-36 (36-bit page size extension)
        CLFSH (CLFLUSH instruction supported)
        DS (Debug store)
        ACPI (ACPI supported)
        MMX (MMX technology supported)
        FXSR (FXSAVE and FXSTOR instructions supported)
        SSE (Streaming SIMD extensions)
        SSE2 (Streaming SIMD extensions 2)
        SS (Self-snoop)
        HTT (Multi-threading)
        TM (Thermal monitor supported)
        PBE (Pending break enabled)
    Version: Intel(R) Core(TM) i7-7700 CPU @ 3.60GHz
    Voltage: 1.0 V
    External Clock: 100 MHz
    Max Speed: 8300 MHz
    Current Speed: 3600 MHz
    Status: Populated, Enabled
    Upgrade: Other
    L1 Cache Handle: 0x000A
    L2 Cache Handle: 0x000B
    L3 Cache Handle: 0x000C
    Serial Number: To Be Filled By O.E.M.
    Asset Tag: To Be Filled By O.E.M.
    Part Number: To Be Filled By O.E.M.
    Core Count: 4
    Core Enabled: 4
    Thread Count: 8
    Characteristics:
        64-bit capable
        Multi-Core
        Hardware Thread
        Execute Protection
        Enhanced Virtualization
        Power/Performance Control
 
Handle 0x000A, DMI type 7, 19 bytes
Cache Information
    Socket Designation: L1 Cache
    Configuration: Enabled, Not Socketed, Level 1
    Operational Mode: Write Back
    Location: Internal
    Installed Size: 256 kB
    Maximum Size: 256 kB
    Supported SRAM Types:
        Synchronous
    Installed SRAM Type: Synchronous
    Speed: Unknown
    Error Correction Type: Parity
    System Type: Unified
    Associativity: 8-way Set-associative
 
Handle 0x000B, DMI type 7, 19 bytes
Cache Information
    Socket Designation: L2 Cache
    Configuration: Enabled, Not Socketed, Level 2
    Operational Mode: Write Back
    Location: Internal
    Installed Size: 1 MB
    Maximum Size: 1 MB
    Supported SRAM Types:
        Synchronous
    Installed SRAM Type: Synchronous
    Speed: Unknown
    Error Correction Type: Single-bit ECC
    System Type: Unified
    Associativity: 4-way Set-associative
 
Handle 0x000C, DMI type 7, 19 bytes
Cache Information
    Socket Designation: L3 Cache
    Configuration: Enabled, Not Socketed, Level 3
    Operational Mode: Write Back
    Location: Internal
    Installed Size: 8 MB
    Maximum Size: 8 MB
    Supported SRAM Types:
        Synchronous
    Installed SRAM Type: Synchronous
    Speed: Unknown
    Error Correction Type: Multi-bit ECC
    System Type: Unified
    Associativity: 16-way Set-associative
 
Handle 0x0019, DMI type 13, 22 bytes
BIOS Language Information
    Language Description Format: Long
    Installable Languages: 2
        en|US|iso8859-1
        zh|CN|unicode
    Currently Installed Language: en|US|iso8859-1
 
Handle 0x0018, DMI type 14, 20 bytes
Group Associations
    Name: Firmware Version Info
    Items: 5
        0x0012 (OEM-specific)
        0x0013 (OEM-specific)
        0x0014 (OEM-specific)
        0x0015 (OEM-specific)
        0x0016 (OEM-specific)
 
Handle 0x0004, DMI type 16, 23 bytes
Physical Memory Array
    Location: System Board Or Motherboard
    Use: System Memory
    Error Correction Type: None
    Maximum Capacity: 64 GB
    Error Information Handle: Not Provided
    Number Of Devices: 4
 
Handle 0x0005, DMI type 17, 40 bytes
Memory Device
    Array Handle: 0x0004
    Error Information Handle: Not Provided
    Total Width: 64 bits
    Data Width: 64 bits
    Size: 16 GB
    Form Factor: DIMM
    Set: None
    Locator: ChannelA-DIMM0
    Bank Locator: BANK 0
    Type: DDR4
    Type Detail: Synchronous Unbuffered (Unregistered)
    Speed: 3200 MT/s
    Manufacturer: Micron
    Serial Number: F3B1E171
    Asset Tag: 9876543210
    Part Number: 16ATF2G64AZ-3G2E1   
    Rank: 2
    Configured Memory Speed: 2400 MT/s
    Minimum Voltage: 1.2 V
    Maximum Voltage: 1.2 V
    Configured Voltage: 1.2 V
 
Handle 0x0006, DMI type 17, 40 bytes
Memory Device
    Array Handle: 0x0004
    Error Information Handle: Not Provided
    Total Width: Unknown
    Data Width: Unknown
    Size: No Module Installed
    Form Factor: Unknown
    Set: None
    Locator: ChannelA-DIMM1
    Bank Locator: BANK 1
    Type: Unknown
    Type Detail: None
    Speed: Unknown
    Manufacturer: Not Specified
    Serial Number: Not Specified
    Asset Tag: Not Specified
    Part Number: Not Specified
    Rank: Unknown
    Configured Memory Speed: Unknown
    Minimum Voltage: Unknown
    Maximum Voltage: Unknown
    Configured Voltage: Unknown
 
Handle 0x0007, DMI type 17, 40 bytes
Memory Device
    Array Handle: 0x0004
    Error Information Handle: Not Provided
    Total Width: 64 bits
    Data Width: 64 bits
    Size: 16 GB
    Form Factor: DIMM
    Set: None
    Locator: ChannelB-DIMM0
    Bank Locator: BANK 2
    Type: DDR4
    Type Detail: Synchronous Unbuffered (Unregistered)
    Speed: 3200 MT/s
    Manufacturer: Micron
    Serial Number: F3B1E17B
    Asset Tag: 9876543210
    Part Number: 16ATF2G64AZ-3G2E1   
    Rank: 2
    Configured Memory Speed: 2400 MT/s
    Minimum Voltage: 1.2 V
    Maximum Voltage: 1.2 V
    Configured Voltage: 1.2 V
 
Handle 0x0008, DMI type 17, 40 bytes
Memory Device
    Array Handle: 0x0004
    Error Information Handle: Not Provided
    Total Width: Unknown
    Data Width: Unknown
    Size: No Module Installed
    Form Factor: Unknown
    Set: None
    Locator: ChannelB-DIMM1
    Bank Locator: BANK 3
    Type: Unknown
    Type Detail: None
    Speed: Unknown
    Manufacturer: Not Specified
    Serial Number: Not Specified
    Asset Tag: Not Specified
    Part Number: Not Specified
    Rank: Unknown
    Configured Memory Speed: Unknown
    Minimum Voltage: Unknown
    Maximum Voltage: Unknown
    Configured Voltage: Unknown
 
Handle 0x0009, DMI type 19, 31 bytes
Memory Array Mapped Address
    Starting Address: 0x00000000000
    Ending Address: 0x007FFFFFFFF
    Range Size: 32 GB
    Physical Array Handle: 0x0004
    Partition Width: 2
 
Handle 0x000E, DMI type 20, 35 bytes
Memory Device Mapped Address
    Starting Address: 0x00000000000
    Ending Address: 0x003FFFFFFFF
    Range Size: 16 GB
    Physical Device Handle: 0x0005
    Memory Array Mapped Address Handle: 0x0009
    Partition Row Position: Unknown
    Interleave Position: 1
    Interleaved Data Depth: 2
 
Handle 0x000F, DMI type 20, 35 bytes
Memory Device Mapped Address
    Starting Address: 0x00400000000
    Ending Address: 0x007FFFFFFFF
    Range Size: 16 GB
    Physical Device Handle: 0x0007
    Memory Array Mapped Address Handle: 0x0009
    Partition Row Position: Unknown
    Interleave Position: 2
    Interleaved Data Depth: 2
 
Handle 0x0010, DMI type 130, 20 bytes
OEM-specific Type
    Header and Data:
        82 14 10 00 24 41 4D 54 00 00 00 00 00 A5 AF 02
        C0 00 00 00
 
Handle 0x0011, DMI type 131, 64 bytes
OEM-specific Type
    Header and Data:
        83 40 11 00 35 00 00 00 00 00 00 00 00 00 00 00
        F8 00 C8 A2 00 00 00 00 01 00 00 00 06 00 0B 00
        AC 04 0A 00 00 00 00 00 FE 00 FF FF 00 00 00 00
        00 00 00 00 26 00 00 00 76 50 72 6F 00 00 00 00
 
Handle 0x0017, DMI type 136, 6 bytes
OEM-specific Type
    Header and Data:
        88 06 17 00 00 00
 
Handle 0x0012, DMI type 221, 26 bytes
OEM-specific Type
    Header and Data:
        DD 1A 12 00 03 01 00 01 04 01 00 00 02 00 00 00
        00 58 00 03 00 00 05 00 00 00
    Strings:
        Reference Code - CPU
        uCode Version
        TXT ACM version
 
Handle 0x0013, DMI type 221, 26 bytes
OEM-specific Type
    Header and Data:
        DD 1A 13 00 03 01 00 01 04 01 00 00 02 00 00 00
        00 00 00 03 04 0B 06 0A AC 04
    Strings:
        Reference Code - ME 11.0
        MEBx version
        ME Firmware Version
        Consumer SKU
 
Handle 0x0014, DMI type 221, 75 bytes
OEM-specific Type
    Header and Data:
        DD 4B 14 00 0A 01 00 01 04 01 00 00 02 03 FF FF
        FF FF FF 04 00 FF FF FF 00 00 05 00 FF FF FF 00
        00 06 00 FF FF FF FF FF 07 00 3E 00 00 00 00 08
        00 34 00 00 00 00 09 00 0B 00 00 00 00 0A 00 3E
        00 00 00 00 0B 00 34 00 00 00 00
    Strings:
        Reference Code - SKL PCH
        PCH-CRID Status
        Disabled
        PCH-CRID Original Value
        PCH-CRID New Value
        OPROM - RST - RAID
        SKL PCH H Bx Hsio Version
        SKL PCH H Dx Hsio Version
        KBL PCH H Ax Hsio Version
        SKL PCH LP Bx Hsio Version
        SKL PCH LP Cx Hsio Version
 
Handle 0x0015, DMI type 221, 54 bytes
OEM-specific Type
    Header and Data:
        DD 36 15 00 07 01 00 01 04 01 00 00 02 00 01 04
        01 01 00 03 00 01 04 01 00 00 04 05 FF FF FF FF
        FF 06 00 FF FF FF 05 00 07 00 FF FF FF 05 00 08
        00 FF FF FF 46 10
    Strings:
        Reference Code - SA - System Agent
        Reference Code - MRC
        SA - PCIe Version
        SA-CRID Status
        Disabled
        SA-CRID Original Value
        SA-CRID New Value
        OPROM - VBIOS
 
Handle 0x0016, DMI type 221, 103 bytes
OEM-specific Type
    Header and Data:
        DD 67 16 00 0E 01 00 00 00 00 00 00 02 00 FF FF
        FF FF FF 03 04 FF FF FF FF FF 05 06 FF FF FF FF
        FF 07 08 FF FF FF FF FF 09 00 00 00 00 00 00 0A
        00 FF FF FF FF FF 0B 00 FF FF 00 00 00 0C 00 FF
        FF FF FF FF 0D 00 FF FF FF FF FF 0E 00 FF FF FF
        FF FF 0F 00 FF FF FF FF FF 10 11 01 03 04 01 00
        12 00 00 07 03 00 00
    Strings:
        Lan Phy Version
        Sensor Firmware Version
        Debug Mode Status
        Disabled
        Performance Mode Status
        Disabled
        Debug Use USB(Disabled:Serial)
        Disabled
        ICC Overclocking Version
        UNDI Version
        EC FW Version
        GOP Version
        BIOS Guard Version
        Base EC FW Version
        EC-EC Protocol Version
        Royal Park Version
        BP1.3.4.0_RP01
        Platform Version
 
Handle 0x001A, DMI type 14, 8 bytes
Group Associations
    Name: $MEI
    Items: 1
        0x0000 (OEM-specific)
 
Handle 0x001B, DMI type 219, 81 bytes
OEM-specific Type
    Header and Data:
        DB 51 1B 00 01 03 01 45 02 00 90 06 03 00 60 20
        00 00 00 00 40 08 00 00 00 00 00 00 00 00 40 02
        FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF
        FF FF FF FF FF FF FF FF 03 00 00 00 80 00 00 00
        00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
        00
    Strings:
        MEI1
        MEI2
        MEI3
 
Handle 0x001C, DMI type 127, 4 bytes
End Of Table

VirtualBox上で実行してみる！（Rocky Linux 9）

VirtualBox上のRocky Linux 9で実行してみました。

$ sudo dmidecode
# dmidecode 3.3
Getting SMBIOS data from sysfs.
SMBIOS 2.5 present.
10 structures occupying 455 bytes.
Table at 0x000E1000.
 
Handle 0x0000, DMI type 0, 20 bytes
BIOS Information
    Vendor: innotek GmbH
    Version: VirtualBox
    Release Date: 12/01/2006
    Address: 0xE0000
    Runtime Size: 128 kB
    ROM Size: 128 kB
    Characteristics:
        ISA is supported
        PCI is supported
        Boot from CD is supported
        Selectable boot is supported
        8042 keyboard services are supported (int 9h)
        CGA/mono video services are supported (int 10h)
        ACPI is supported
 
Handle 0x0001, DMI type 1, 27 bytes
System Information
    Manufacturer: innotek GmbH
    Product Name: VirtualBox
    Version: 1.2
    Serial Number: 0
    UUID: 45d4c9ae-b026-0849-9690-a6488d99f593
    Wake-up Type: Power Switch
    SKU Number: Not Specified
    Family: Virtual Machine
 
Handle 0x0008, DMI type 2, 15 bytes
Base Board Information
    Manufacturer: Oracle Corporation
    Product Name: VirtualBox
    Version: 1.2
    Serial Number: 0
    Asset Tag: Not Specified
    Features:
        Board is a hosting board
    Location In Chassis: Not Specified
    Chassis Handle: 0x0003
    Type: Motherboard
    Contained Object Handles: 0
 
Handle 0x0003, DMI type 3, 13 bytes
Chassis Information
    Manufacturer: Oracle Corporation
    Type: Other
    Lock: Not Present
    Version: Not Specified
    Serial Number: Not Specified
    Asset Tag: Not Specified
    Boot-up State: Safe
    Power Supply State: Safe
    Thermal State: Safe
    Security Status: None
 
Handle 0x0007, DMI type 126, 42 bytes
Inactive
 
Handle 0x0005, DMI type 126, 15 bytes
Inactive
 
Handle 0x0006, DMI type 126, 34 bytes
Inactive
 
Handle 0x0002, DMI type 11, 7 bytes
OEM Strings
    String 1: vboxVer_7.0.4
    String 2: vboxRev_154605
 
Handle 0x0008, DMI type 128, 8 bytes
OEM-specific Type
    Header and Data:
        80 08 08 00 7F EE 36 00
 
Handle 0xFEFF, DMI type 127, 4 bytes
End Of Table

おわりに

Linuxでハードウェアの情報を知りたい場合は、「dmidecode」コマンドを使用するとかなり詳細な情報まで知ることができます。

【記事一覧】Linuxでシステムの構成情報を表示する！

Linuxでシステムの構成情報を表示するための記事一覧を掲載します。...

dmidcodeコマンドを使用する！（Ubuntu Desktop 22.04）

VirtualBox上で実行してみる！（Rocky Linux 9）

おわりに

関連記事

関連書籍（Amazon）